26/2  10/2  
〖0次〗:13,20,26,35,（共4个）
〖1次〗:01,02,03,05,06,08,10,11,14,15,16,23,25,30,32,33,36,37,38,40,43,44,45,46,47,49,（共26个）
〖2次〗:04,07,09,12,17,18,19,21,22,24,27,28,29,31,34,39,41,42,48,（共19个）-主